2 thunderstorm wind, as filed by the National Weather Service.
Every event with a place to put it. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Grand Rapids, MI wrote its last area forecast discussion before the first event at Aug 1, 9:14 PM EST, 38 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GRAND RAPIDS MI 1014 PM EDT TUE AUG 01 2006 .UPDATE... KGRR-88D IS SHOWING SOME PCPN DEVELOPMENT OVER THE LAKE. STORMS OVER NORTHERN LAKE MICHIGAN ARE ASSOCIATED WITH A VORT MAX MOVING THROUGH THE REGION. THE ACTIVITY TO THE SOUTH SEEMS ASSOCIATED WITH A CONVECTIVLY INDUCED VORT THAT MOVED EAST FROM IOWA AND SOUTHERN WISCONSIN. WITH CURRENT LI/S NEAR -9C AND CAPE CURRENTLY AROUND 3500 J/KG...SUFFICIENT JUICE EXISTS FOR STORM DEVELOPMENT OVERNIGHT. ADDITIONALLY...SHEAR VALUES NEAR 30 KTS SUGGEST THAT A FEW STORMS COULD BE SEVERE MAINLY NORTH OF A WHITEHALL TO MOUNT PLEASANT LINE. WILL ADD SCT/ISO TSRA TO THE SOUTHERN CWA TO ACCOUNT FOR THE CURRENT DEVELOPMENT. THE REST OF THE FORECAST LOOKS OK. && .GRR WATCHES/WARNINGS/ADVISORIES...HEAT ADVISORY IN EFFECT THROUGH 8 PM WED EVENING. && 93
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GRAND RAPIDS MI 950 PM EDT TUE AUG 1 2006 LMZ844>849-MIZ037>040-043>046-050>052-056>059-064>067-071>074-020945- ST JOSEPH TO SOUTH HAVEN-SOUTH HAVEN TO HOLLAND- HOLLAND TO GRAND HAVEN-GRAND HAVEN TO WHITEHALL- WHITEHALL TO PENTWATER-PENTWATER TO MANISTEE-MASON-LAKE-OSCEOLA- CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MUSKEGON-MONTCALM-GRATIOT- OTTAWA-KENT-IONIA-CLINTON-ALLEGAN-BARRY-EATON-INGHAM-VAN BUREN- KALAMAZOO-CALHOUN-JACKSON- 950 PM EDT TUE AUG 1 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST LOWER MICHIGAN. .DAY ONE...TONIGHT ANOTHER VERY WARM NIGHT IS UNDERWAY. TEMPERATURES ARE NOT LIKELY TO FALL BELOW 75 DEGREES OVERNIGHT. COMBINED WITH THE HOT AFTERNOON EARLIER TODAY...HEAT RELATED STRESS IS STILL A STRONG POSSIBILITY OVERNIGHT. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS NEAR AND NORTH OF ROUTE 10 OVERNIGHT. THE PRIMARY RISK WOULD BE DAMAGING WINDS...FREQUENT CLOUD TO GROUND LIGHTNING AND VERY HEAVY RAINFALL. STORMS THAT DEVELOP WILL MOVE NORTHEAST AT 25 MPH. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY AREAS NEAR AND SOUTH OF INTERSTATE 96 WILL ONCE AGAIN SEE DANGEROUSLY HIGH HEAT INDEX VALUES DURING THE AFTERNOON. STRONG TO SEVERE THUNDERSTORMS WILL MOVE FROM NORTHWEST TO SOUTHEAST ACROSS SOUTHWEST LOWER MICHIGAN LATE IN THE AFTERNOON INTO THE LATE EVENING. THESE STORMS ARE AHEAD OF CANADIAN COLD FRONT THAT SHOULD BE SOUTH OF LOWER MICHIGAN BY EARLY THURSDAY MORNING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS POSSIBLE OVERNIGHT AND WEDNESDAY. WDM 93
The Grand Rapids radar (KGRR), 113 km away, was scanning. The volume nearest the first event began at 02:52 UTC.
2 thunderstorm wind. Local standard time, as filed.
Several trees and power lines were blown down near Mears and Pentwater.
Law enforcement reported that several trees were blown down across southern Mason county.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Michigan in 2006Every state in 2006This day in weather historyWarnings in Michigan, August 2006
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5527589, 5527588.